Changes in the Operative Corridor in Oblique Lumbar Interbody Fusion Between Preoperative Magnetic Resonance Imaging and Intraoperative Cone-Beam Computed Tomography Using Morphometric Analysis

Curēus
Aqib ZehriJonathan L Wilson

Abstract

Background The oblique lumbar interbody fusion or anterior-to-psoas (OLIF/ATP) technique relies on a corridor anterior to the psoas and posterior to the vasculature for lumbar interbody fusion. This is evaluated preoperatively with CT and/or MRI. To date, there have been no studies examining how intraoperative, lateral decubitus positioning may change the dimensions of this corridor when compared to preoperative imaging. Objective Our objective was to evaluate changes in the intraoperative corridor in the supine and lateral positions utilizing preoperative and intraoperative imaging. Methods We performed a retrospective analysis among patients who have undergone an OLIF/ATP approach at two tertiary care centers from 2016 to 2018 by measuring the distance between the left lateral border of the aorta or iliac vessels and anteromedial border of the psoas muscle from L1-L2 through L4-5 disc spaces. We compared this corridor between supine, preoperative MRI axial and intraoperative CT acquired in the right lateral decubitus position. Results Thirty-three patients, 15 of whom were female, were included in our study. The average age of the patients was 65.4 years and the average BMI was 31 kg/m2. The results revealed a statistically s...Continue Reading

References

Jul 11, 2006·The Spine Journal : Official Journal of the North American Spine Society·Burak M OzgurWilliam R Taylor
Aug 21, 2012·Surgical Neurology International·Paul M ArnoldRobert A McGuire
Sep 13, 2014·Journal of Neurosurgery. Spine·Timothy T DavisThomas E Drochner
Aug 8, 2015·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Jun SatoKazuhisa Takahashi
Oct 10, 2015·Journal of Neurosurgery. Spine·Diana M MolinaresDaniel A Fung
Jun 9, 2016·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Fan ZhangJianyuan Jiang
May 1, 2018·Annals of Translational Medicine·David S XuJuan S Uribe

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